GENERAL KNOWLEDGE | QUIZ | CHEMISTRY | 16 | QUESTIONS BASED ON CHEMISTRY

DIRECTIONS : Questions based on Chemistry.

76.     Which among the following is in liquid state at normal room temperature?
      A.  Sodium
      B.  Mercury
      C.  Copper
      D.  Phosphorous
 Ans: B.

77.     The chemical name of quartz is
      A.  Sodium silicate
      B.  Sodium phosphate
      C.  Calicum phosphate
      D.  Calcium oxide
 Ans: A.

78.     What is the most common element in the universe?
      A.  Iron
      B.  Oxygen
      C.  Helium
      D.  Hydrogen
 Ans: D.

79.     Who was the father of chemistry?
      A.  Robert Boyle
      B.  Cavendish
      C.  Lister
      D.  Urey
 Ans: B.

80.     Which one of the following is a protein fibre?
      A.  Nylon
      B.  Silk
      C.  Polyester
      D.  Cotton
Ans: B.